package cn.edu.sjtu.se.dslab.dao;

import cn.edu.sjtu.se.dslab.component.data.EntityDiagram;

public interface IDiagramDao {
	public void save(EntityDiagram diagram);

	public void update(EntityDiagram diagram);

	public EntityDiagram queryById(long id);

	public EntityDiagram queryByUri(String uri);

	public boolean checkUri(String uri);
}
